Nephrolepis exaltata
Boston ferns dry out fast and punish it with crispy fronds. They want soil that stays evenly moist, plus humid air, which makes them one of the thirstier houseplants.
Your answer
Water when the soil reaches this point
How it shifts through the year
More often than most houseplants, usually every few days to once a week depending on light and season. Check by touch.
Dry soil and dry air are the usual causes. Keep the soil evenly moist and move it away from heat sources.
Tools that help
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Related guides
Estimates use rules of thumb. Always confirm with your finger: push it about an inch into the soil before you water.